US 12,435,820 B2
Push to connect conduit fitting assemblies and arrangements
Peter C Williams, Cleveland Heights, OH (US); Douglas J. McClure, Mentor, OH (US); Cal R. Brown, Lyndhurst, OH (US); Ronald P. Campbell, Shaker Heights, OH (US); Douglas S. Welch, Chesterland, OH (US); and Michael D. Bestic, Sagamore Hills, OH (US)
Assigned to SWAGELOK COMPANY, Solon, OH (US)
Filed by Swagelok Company, Solon, OH (US)
Filed on Aug. 28, 2023, as Appl. No. 18/456,962.
Application 18/456,962 is a continuation of application No. 16/833,747, filed on Mar. 30, 2020, granted, now 11,781,688.
Claims priority of provisional application 62/827,302, filed on Apr. 1, 2019.
Prior Publication US 2023/0408011 A1, Dec. 21, 2023
Int. Cl. F16L 37/088 (2006.01)
CPC F16L 37/088 (2013.01) 20 Claims
OG exemplary drawing
 
1. A push to connect fitting comprising:
first and second fitting components assembled to define an internal cavity enclosing a conduit retaining arrangement axially movable between an outboard conduit gripping position and an inboard conduit releasing position;
a conduit releasing insert including a fitting interlocking feature releasably engaging the second fitting component, and a releasing feature engaging the conduit retaining arrangement to secure the conduit retaining arrangement in the conduit releasing position against axial outboard movement; and
a spring member that axially biases the conduit retaining arrangement toward the conduit gripping position;
wherein movement of the conduit releasing insert to disengage the fitting interlocking feature from the second fitting component permits outboard axial movement of the conduit retaining arrangement to the conduit gripping position.